Finding the Fourth Proportional to 1,512,247.15, 2,268,813.57 and 447,317.56
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Solution
The fourth proportional to 1,512,247.15, 2,268,813.57 and 447,317.56 is: 671,107.33
Step by Step Solution
- Step 1: Write the proportion equation
1,512,247.15 : 2,268,813.57 = 447,317.56 : x - Step 2: Convert to fraction form
1,512,247.15/2,268,813.57 = 447,317.56/x - Step 3: Cross multiply
1,512,247.15x = 2,268,813.57 × 447,317.56 - Step 4: Simplify right side
1,512,247.15x = 1,014,880,150,227.29 - Step 5: Solve for x
x = 1,014,880,150,227.29/1,512,247.15 - Step 6: Final answer
x = 671,107.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.